Debian: DSA-4613-1: libidn2 security update

    Date 31 Jan 2020
    683
    Posted By LinuxSecurity Advisories
    A heap-based buffer overflow vulnerability was discovered in the idn2_to_ascii_4i() function in libidn2, the GNU library for Internationalized Domain Names (IDNs), which could result in denial of service, or the execution of arbitrary code when processing a long
    
    - -------------------------------------------------------------------------
    Debian Security Advisory DSA-4613-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                     Salvatore Bonaccorso
    February 01, 2020                     https://www.debian.org/security/faq
    - -------------------------------------------------------------------------
    
    Package        : libidn2
    CVE ID         : CVE-2019-18224
    Debian Bug     : 942895
    
    A heap-based buffer overflow vulnerability was discovered in the
    idn2_to_ascii_4i() function in libidn2, the GNU library for
    Internationalized Domain Names (IDNs), which could result in denial of
    service, or the execution of arbitrary code when processing a long
    domain string.
    
    For the stable distribution (buster), this problem has been fixed in
    version 2.0.5-1+deb10u1.
    
    We recommend that you upgrade your libidn2 packages.
    
    For the detailed security status of libidn2 please refer to its security
    tracker page at:
    https://security-tracker.debian.org/tracker/libidn2
    
    Further information about Debian Security Advisories, how to apply
    these updates to your system and frequently asked questions can be
    found at: https://www.debian.org/security/
    
    Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it.
    

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